. >> ifill: and i'm gwen ifill. on the newshour tonight, we talk to two iran watchers, including one once jailed in teheran, about today's release and what it tells us about the regime. >> brown: then margaret warner interviews former british prime minister and united nations envoy tony blair about the newest round of middle east peace talks. >> i find it hard to see if these two political leader s in this context with an american administration pushing for a deal, if we can't get one, i don't know where we go from there. >> ifill: fred de sam lazaro has the story of a jewish entrepreneur working with palestinians and israelis for both peace and profit. >> brown: susan dentzer of "health affairs" and karen tumulty of the "washington post" sort through the latest give- and-take on health care politics. >> ifill: and we sit down with writer and cartoonist austin kleon for a dose of poetry inspired by newspaper prose. >> what i found out is that i need to treat the newspaper as a blank canvas in order to really come up